* [PATCH] arm64: dts: imx8mp-venice-gw74xx: add USB DR support
@ 2022-09-08 15:42 Tim Harvey
2022-09-13 2:10 ` Shawn Guo
0 siblings, 1 reply; 2+ messages in thread
From: Tim Harvey @ 2022-09-08 15:42 UTC (permalink / raw)
To: linux-arm-kernel, linux-kernel, devicetree
Cc: NXP Linux Team, Fabio Estevam, Pengutronix Kernel Team,
Sascha Hauer, Shawn Guo, Krzysztof Kozlowski, Rob Herring,
Alexander Stein, Jun Li, Tim Harvey
Add support for USB DR on USB1 interface. Host/Device detection is done
using the usb-role-switch connector with a GPIO as USB1_OTG_ID is not
connected internally.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
---
.../dts/freescale/imx8mp-venice-gw74xx.dts | 30 +++++++++++++++----
1 file changed, 25 insertions(+), 5 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
index 9fb492a8b045..e0fe356b662d 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
@@ -598,20 +598,35 @@ &uart4 {
};
/* USB1 - Type C front panel */
-&usb3_phy0 {
+&usb3_0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb1>;
+ fsl,over-current-active-low;
status = "okay";
};
-&usb3_0 {
- fsl,over-current-active-low;
+&usb3_phy0 {
status = "okay";
};
&usb_dwc3_0 {
- dr_mode = "host";
+ /* dual role is implemented but not a full featured OTG */
+ adp-disable;
+ hnp-disable;
+ srp-disable;
+ dr_mode = "otg";
+ usb-role-switch;
+ role-switch-default-mode = "peripheral";
status = "okay";
+
+ connector {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbcon1>;
+ compatible = "gpio-usb-b-connector", "usb-b-connector";
+ type = "micro";
+ label = "Type-C";
+ id-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+ };
};
/* USB2 - USB3.0 Hub */
@@ -870,7 +885,12 @@ MX8MP_IOMUXC_UART4_TXD__UART4_DCE_TX 0x140
pinctrl_usb1: usb1grp {
fsl,pins = <
MX8MP_IOMUXC_GPIO1_IO13__USB1_OTG_OC 0x140
- MX8MP_IOMUXC_GPIO1_IO10__USB1_OTG_ID 0x140
+ >;
+ };
+
+ pinctrl_usbcon1: usb1congrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10 0x140
>;
};
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] arm64: dts: imx8mp-venice-gw74xx: add USB DR support
2022-09-08 15:42 [PATCH] arm64: dts: imx8mp-venice-gw74xx: add USB DR support Tim Harvey
@ 2022-09-13 2:10 ` Shawn Guo
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2022-09-13 2:10 UTC (permalink / raw)
To: Tim Harvey
Cc: linux-arm-kernel, linux-kernel, devicetree, NXP Linux Team,
Fabio Estevam, Pengutronix Kernel Team, Sascha Hauer,
Krzysztof Kozlowski, Rob Herring, Alexander Stein, Jun Li
On Thu, Sep 08, 2022 at 08:42:27AM -0700, Tim Harvey wrote:
> Add support for USB DR on USB1 interface. Host/Device detection is done
> using the usb-role-switch connector with a GPIO as USB1_OTG_ID is not
> connected internally.
>
> Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Applied, thanks!
^ permalink raw reply [flat|nested] 2+ messages in thread
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